Polymet Mining (PLM)

Filed: 29 Apr 08, 8:00pm

     Exhibit 13.1

Pursuant to 18 United States Code § 1350
As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

           The undersigned hereby certify that the Annual Report on Form 20-F for the fiscal year ended January 31, 2008 of PolyMet Mining Corp. (the “Company”) filed with the Securities and Exchange Commission on the date hereof fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in such report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: April 29, 2008By:/s/ Joseph Scipioni
 Name:   Joseph Scipioni
 Title:   Chief Executive Officer
Date: April 29, 2008By:/s/ Douglas Newby
 Name:   Douglas Newby
 Title:   Chief Financial Officer